WINDSOR COAL COMPANY LLC — NPDES permit WV0051942: limits, due date and EPA's record

NPDES permit WV0051942 · Minor NON-POTW · effective, expires 2029-11-18 · EPA's file as of 2026-09-19

EPA's record, 2025-09-01 to 2026-08-31

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among WV permits in EPA's filings — check your permit).

Limits in force (26)

Outfall	Parameter	Statistic	Limit	Months
002	Flow rate	MO AVG	report only	all year
002	Flow rate	MO MAX	report only	all year
002	Specific conductance	MO MIN	report only	all year
002	Specific conductance	MO AVG	report only	all year
002	Specific conductance	MO MAX	report only	all year
002	pH	MO MIN	>= 6 SU	all year
002	pH	MO MAX	<= 9 SU	all year
002	Solids, total suspended	MO MIN	report only	all year
002	Solids, total suspended	MO AVG	<= 35 mg/L	all year
002	Solids, total suspended	MO MAX	<= 70 mg/L	all year
002	Solids, settleable	MO MAX	<= .5 mL/L	all year
002	Sulfate, total [as SO4]	MO MIN	report only	all year
002	Sulfate, total [as SO4]	MO AVG	report only	all year
002	Sulfate, total [as SO4]	MO MAX	report only	all year
002	Iron, total [as Fe]	MO MIN	report only	all year
002	Iron, total [as Fe]	MO AVG	<= 3.5 mg/L	all year
002	Iron, total [as Fe]	MO MAX	<= 7 mg/L	all year
002	Aluminum, total [as Al]	MO MIN	report only	all year
002	Aluminum, total [as Al]	MO AVG	<= 1.35 mg/L	all year
002	Aluminum, total [as Al]	MO MAX	<= 2.35 mg/L	all year
002	Aluminum, dissolved [as Al]	MO MIN	report only	all year
002	Aluminum, dissolved [as Al]	MO AVG	report only	all year
002	Aluminum, dissolved [as Al]	MO MAX	report only	all year
002	Solids, total dissolved	MO MIN	report only	all year
002	Solids, total dissolved	MO AVG	report only	all year
002	Solids, total dissolved	MO MAX	report only	all year